1 /*
2 * Copyright (c) 2016 François Tigeot
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef _LINUX_PWM_H_
28 #define _LINUX_PWM_H_
29
30 #include <linux/device.h>
31
32 struct pwm_device;
33
34 static inline int
pwm_config(struct pwm_device * pwm,int duty_ns,int period_ns)35 pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
36 {
37 kprintf("Stub: %s\n", __FUNCTION__);
38 return -EINVAL;
39 }
40
41 static inline unsigned int
pwm_get_duty_cycle(const struct pwm_device * pwm)42 pwm_get_duty_cycle(const struct pwm_device *pwm)
43 {
44 kprintf("Stub: %s\n", __FUNCTION__);
45 return 0;
46 }
47
48 static inline void
pwm_set_duty_cycle(struct pwm_device * pwm,unsigned int duty)49 pwm_set_duty_cycle(struct pwm_device *pwm, unsigned int duty)
50 {
51 kprintf("Stub: %s\n", __FUNCTION__);
52 }
53
54 static inline int
pwm_enable(struct pwm_device * pwm)55 pwm_enable(struct pwm_device *pwm)
56 {
57 kprintf("Stub: %s\n", __FUNCTION__);
58 return -EINVAL;
59 }
60
61 static inline void
pwm_disable(struct pwm_device * pwm)62 pwm_disable(struct pwm_device *pwm)
63 {
64 kprintf("Stub: %s\n", __FUNCTION__);
65 }
66
67 static inline struct pwm_device *
pwm_get(struct device * dev,const char * consumer)68 pwm_get(struct device *dev, const char *consumer)
69 {
70 kprintf("Stub: %s\n", __FUNCTION__);
71 return NULL;
72 }
73
74 static inline void
pwm_put(struct pwm_device * pwm)75 pwm_put(struct pwm_device *pwm)
76 {
77 kprintf("Stub: %s\n", __FUNCTION__);
78 }
79
80 #endif /* _LINUX_PWM_H_ */
81